Bovis ISSN 2398-2993

Myopathies: overview

Synonym(s): Brown Atrophy, Glycogen Storage Disease, Muscular Steatosis, Myopathy Associated with Congenital Articular Rigidity, Myopathy Associated with Congenital Hydrocephalus, Myositis ossificans, Nutritional Myopathy of Calves, Toxic myopathy, Eosinophilic Myositis

Contributor(s): Mo Kemp , Mike Reynolds

Introduction

  • Myopathy is a disease of the muscle in which the muscle fibers do not function properly. This results in muscular weakness.
  • "Myopathy" simply means muscle disease.
  • Infectious myopathies include:
    • Clostridial myonecrosis.
    • Sarcocystosis.
    • Viral associated myopathy.
  • Nutritional myopathies include:
    • Nutritional myodegeneration - caused by dietary deficiency of Vitamin E or selenium.
    • Hypokalemic myopathy.
    • Toxic myopathies:
      • Plant toxins.
      • Ionophores.
  • Traumatic myopathies include:
    • Muscle crush syndrome.
  • Genetic myopathies include:
    • Phosporylase deficiency in charolais cattle.
  • Congenital myopathies include:
    • Myofiber hyperplasia.
  • Other myopathies:
    Glycogen Storage Disease Glycogenosis
    Muscular Steatosis  
    Myopathy Associated with Congenital Articular Rigidity Arthrogryposis
    Myopathy Associated with Congenital Hydrocephalus  
    Myositis ossificans Ossification of Muscle

Infectious myopathies

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Nutritional myopathies

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Traumatic myopathies

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Genetic myopathies

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Congenital myopathy

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Other myopathies

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Ohfuji S (2017) Pathology of muscular steatosis in the bovine species: report of two spontaneously arising cases and comparative overview of the condition. Comparative Clinical Pathology 1, 237-245.
  • Chalmers G A, Rockenbach L & Marshall S (1990) A congenital defect resembling Hereford
    syndrome I in Alberta.
    Can Vet J 31, 31-33 PubMed.

Other sources of information

  • Parish S M, Valberg S J (2009) Clostridial myonecrosis. In: Smith B P (ed) Large Animal Internal Medicine. edn 4. St. Louis, Mosby,  pp 1400-1402.
  •  Van Vleet  J F, Valentine B A (2007) Blackleg. In: Maxie M G (ed): Jubb, Kennedy, and Palmer’s Pathology of Domestic Animals. Vol. I, edn 5. Philadelphia, WB Saunders Co, pp 261-264.


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